Home / 676,578,837.80-1,014,980,231.10-288,587,541.80

Finding the Fourth Proportional to 676,578,837.80, 1,014,980,231.10 and 288,587,541.80

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Solution

The fourth proportional to 676,578,837.80, 1,014,980,231.10 and 288,587,541.80 is: 432,929,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,578,837.80 : 1,014,980,231.10 = 288,587,541.80 : x
  2. Step 2: Convert to fraction form
    676,578,837.80/1,014,980,231.10 = 288,587,541.80/x
  3. Step 3: Cross multiply
    676,578,837.80x = 1,014,980,231.10 × 288,587,541.80
  4. Step 4: Simplify right side
    676,578,837.80x = 292,910,649,868,744,960
  5. Step 5: Solve for x
    x = 292,910,649,868,744,960/676,578,837.80
  6. Step 6: Final answer
    x = 432,929,074.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.